91313161451 has 2 divisors, whose sum is σ = 91313161452. Its totient is φ = 91313161450.

The previous prime is 91313161363. The next prime is 91313161501. The reversal of 91313161451 is 15416131319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91313161451 - 2²⁶ = 91246052587 is a prime.

It is not a weakly prime, because it can be changed into another prime (91313161351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45656580725 + 45656580726.

It is an arithmetic number, because the mean of its divisors is an integer number (45656580726).

Almost surely, 2^91313161451 is an apocalyptic number.

91313161451 is a deficient number, since it is larger than the sum of its proper divisors (1).

91313161451 is an equidigital number, since it uses as much as digits as its factorization.

91313161451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The spelling of 91313161451 in words is "ninety-one billion, three hundred thirteen million, one hundred sixty-one thousand, four hundred fifty-one".